Display xul files in Firefox

[Dave Feustel]

On Sun, Dec 14, 2008 at 08:51:29PM +0000, Marcelo M. Garcia wrote:
> Dave Feustel wrote:
>> I copied this file (ex-01.html) from the book _Programming Firefox_,
>> but Firefox displays this file as a blank page. 'view page source'
>> shows the data as I entered it. What's wrong with the file (or file
>> name)? 
>>
>> Thanks.
>>
>> =====================
>> <?xml version="1.0"?>
>> <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
>> <window
>>         id="theWindow"
>>         title="The Window"
>>         orient="horizontal"
>>         width= "400"
>>         height = "300"
>>         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
>>         xmlns:html="http://www.w3.org/1999/xhtml"
>>
>> <hbox>
>>   <label value="label 1"/>
>>    <label value="label 2"/>
>>     <label value="label 3"/>
>> </hbox>
>> <vbox>
>>   <label value="label 4"/>
>>    <label value="label 5"9/>
>>     <label value="label 6"/>
>> </vbox>
>> </window>
>>
> Hi
>
> Are you using XUL Explorer (XE) to work the examples? I think it's  
> better to use the XE than firefox to try your code.
>
> Regards
>
> Marcelo
> https://developer.mozilla.org/en/XUL_Explorer

Thanks Very Much for this pointer.

Is there an xul mailing list or users group for newbies?

Thanks Again.